Problem
A red error message is shown after you click Save changes.
Possible cause
The error is typically caused by the discount code already being in use by another discount code, a missing required field or the server being temporarily unavailable.
Solution
Read the error message carefully — it typically explains the cause.
Check that the Discount code is not already in use by another discount code.
Try clicking Save changes again after a moment.
Contact support with the exact error message if the problem persists.
If the problem persists, contact support and include details about:
The exact error message you received.
When the issue occurred.